5 Remarkable Facts About the Northern Lights (Aurora Borealis) - The Countdown #39

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What causes the sky near the Earth's poles to light up with swirling, colorful light? In this episode of the Countdown, we explore the physics behind auroras and more.


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Visit Scientific American's website for more space news and information: http://goo.gl/qXeIq


More to explore:

Visit http://LightsOverLapland.com for more images of the Northern Lights from Abisko National Park in Sweden.

Aurora Forecast (NOAA)

Written in the Sky: Aurora Borealis Explained (Institute of Physics)

Science Casts: Auroras Underfoot (NASA)

Northern Lights, Earth's Auroras, Causes and Facts (Space.com)

The History of Auroras (NASA)


Top image courtesy of Rafal Konieczny via Wikimedia Commons: http://commons.wikimedia.org/wiki/File:Aurora_Borealis_NO.JPG

Host/writer: Sophie Bushwick
Story Advisors: Clara Moskowitz & Michael Moyer
Editor: Joss Fong
Producer: Eric R. Olson